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Seattle and Seoul Time Difference

Seattle is 16h behind Seoul

Seattle

Exact time synced with atomic clocks (IANA + NTP)

Saturday, July 4, 2026

United States · America/Los_Angeles · PDT

Seoul

Exact time synced with atomic clocks (IANA + NTP)

Sunday, July 5, 2026

South Korea · Asia/Seoul · GMT+9

Best time for work calls

If you are scheduling a call between Seattle and Seoul, there is very limited or no overlap in normal business hours. Consider early-morning or late-evening calls for one side, or use async communication.

Best time for family calls

Seattle and Seoul have a comfortable window for a family call — no awkward alarms required. Seattle is 16 hours behind Seoul, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Seattle — that lands at 10 am to 2 pm in Seoul, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.

Seattle

  • Labour Day

    Sep 7in 65d
  • Columbus Day

    Oct 12in 100d
  • Columbus Day

    Oct 12in 100d

Daylight Cycle

🌅 Dawn4:38:39 AM
☀️ Sunrise5:18:45 AM
🌞 Solar Noon1:14:52 PM
🌇 Golden Hour8:23:09 PM
🌆 Sunset9:10:58 PM
🌃 Dusk9:51:05 PM
Day length15:52:12

Data via sunrisesunset.io

Current Weather

Condition
Temperature
Feels like
Humidity
Wind

Data via Open-Meteo · Updates every 30 min

Moon Phase

Phase🌖 Waning Gibbous
Illumination75%
CycleWaning
Moon age19.7 days
Moonrise23:35
Moonset11:25

Seoul

  • Constitution Day

    Jul 17in 13d
  • Liberation Day

    Aug 17in 44d
  • Chuseok

    Sep 24in 82d

Daylight Cycle

🌅 Dawn4:46:20 AM
☀️ Sunrise5:17:15 AM
🌞 Solar Noon12:37:40 PM
🌇 Golden Hour7:19:20 PM
🌆 Sunset7:58:06 PM
🌃 Dusk8:29:01 PM
Day length14:40:50

Data via sunrisesunset.io

Current Weather

Condition
Temperature
Feels like
Humidity
Wind

Data via Open-Meteo · Updates every 30 min

Moon Phase

Phase🌖 Waning Gibbous
Illumination75%
CycleWaning
Moon age19.7 days
Moonrise22:58
Moonset10:06

Other times compared to Seattle